Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

“中世纪欧洲学校教育混乱而重复，各种年龄的年青人与一位教师坐在一起；14世纪后逐渐出现了按年龄和程度分班级，每班有不同的教师，学生定期升级，并增加了希腊文的学习。”这种变化主要是由于（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

在传统的按年龄编班的班级内，按学生的能力或学习成绩等编组称()

在传统的按年龄编班的班级内，按学生的能力或学习成绩等编组称（）。